. Hold the (usually the center OK button or the 'Call' button) and connect it to the PC via USB.
Extract the downloaded flash file and tool on your PC. Drivers: Install the USB drivers and restart your computer. nokia ta1423 flash file download fix
Once a "Success" message appears, disconnect the phone, re-insert the battery, and power it on. disconnect the phone
Are you currently facing a specific during the flashing process or looking for a specific firmware version ? re-insert the battery
Install the relevant Nokia USB Drivers to ensure your PC recognizes the device in boot mode.
Flashing will permanently delete all personal data on the device. Ensure you have backed up any important contacts if possible.